/ Dictionary / Index A Air Corps: Meaning and Definition of Find definitions for: Air' Corps" Pronunciation: [key] — U.S. Army. U.S. Army. (before July 26, 1947) a branch of the U.S. Army concerned with military aviation. (before May 1, 1942) the name for the Army Air Forces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air-core air corridor Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language